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nansum

Sum ignoring NaNs

Syntax

y = nansum(X)
y = nansum(X,DIM)

Arguments

X

Financial time series object.

DIM

Dimension along which the operation is conducted.

Description

nansum for financial times series objects is based on the Statistics Toolbox™ function nansum. See nansum in the Statistics Toolbox documentation.

y = nansum(X) returns the sum of a financial time series object X, treating NaNs as missing values. y is the sum of the non-NaN elements in X.

y = nansum(X,DIM) takes the sum along dimension DIM of X.

Examples

To compute nansum for the following dates:

dates = {'01-Jan-2007';'02-Jan-2007';'03-Jan-2007'};
f = fints(dates, magic(3));
f.series1(1) = nan;
f.series2(3) = nan;
f.series3(2) = nan;

nsum = nansum(f)
nsum =
     7     6     8

See Also

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